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Finding the Fourth Proportional to 335.57, 463.05 and 195.69

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Solution

The fourth proportional to 335.57, 463.05 and 195.69 is: 270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.57 : 463.05 = 195.69 : x
  2. Step 2: Convert to fraction form
    335.57/463.05 = 195.69/x
  3. Step 3: Cross multiply
    335.57x = 463.05 × 195.69
  4. Step 4: Simplify right side
    335.57x = 90,614.25
  5. Step 5: Solve for x
    x = 90,614.25/335.57
  6. Step 6: Final answer
    x = 270.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.